AR132 Autolite Spark Plugs Spark Plug Since its inception the Autolite ® brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. We have been in operation for over 100 years and have produced more than 11 Billion spark plugs and glow plugs. Our plugs are specifically designed for each application to meet or exceed OE quality and performance. Autolite makes plugs for Japanese European and Korean cars as well as plugs for Lawn and Garden and Power Sports. As a leading supplier of spark plugs ignition wire sets and Coil-on-Plug boots the Autolite brand has the right ignition products for your vehicle regardless of make or model import or domestic. Cut Back Ground Electrode For Improved Ignitability Anti-Corrosive Nickel Plating Large Ground Electrode For Better Heat Transfer Used By Many Professional Car Drivers Limited 90 Day Warranty Reach : 0.46 Inch Resistor : No Electrode Type : OEM Insulator Type : Non-Projected Thread Size : 14 Millimeter Seat Type : Tapered Wrench Diameter : 5/8 Inch Hex